Fumaric Acid Flakes (Pharma Intermediate) from Mexico
Fumaric acid in flake form serving as intermediate for pharmaceutical fumarate salts like dimethyl fumarate. This pure acyclic dicarboxylic acid qualifies for HTS 2917.19.1700 as 'other' fumaric acid per Chapter 29 notes for chemically defined organic compounds.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include intended end-use declaration (pharma intermediate) to support classification
• Comply with FDA import alerts for pharma precursors via prior notice filing
• Test for heavy metals (<10 ppm) to meet pharma intermediate standards